4/08/2010 @ 6:00PM

In Pictures: 10 Ways To Attract An IRS Audit

2. Make Silly Tax Protester Claims

This is a red flag fit for the greatest bullfighter in Spain. Yet filers still mail in tax returns showing nothing owed, claiming the income tax is unconstitutional or Federal Reserve notes are not money. The maximum penalty was just boosted for arguments the IRS deems especially frivolous.